Advertising device



FIG. 1 is a front, right and top perspective view of an advertising device, showing my new design;

FIG. 2 is a rear, left and bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of encircled portion 9 in FIG. 1 ;

FIG. 10 is an enlarged view of encircled portion 10 in FIG. 2 ; and,

FIG. 11 is an enlarged view of encircled portion of FIG. 2 .

The broken lines shown in the drawings illustrate portions of the advertising device that form no part of the claimed design. 

CLAIM The ornamental design for an advertising device, as shown and described. 